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$275+ Cheap flights from Ireland to San Diego (SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAN
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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Cheap flight deals from Ireland to San Diego

Keep the following information in mind while searching for Ireland to San Diego flight deals. Data was last updated April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$621
(lastminute.com)

One-way from

$275
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$774
Provider with most accurate pricing for Dublin-San Diego flight deals.
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Provider most trusted by Cheapflights users for Dublin-San Diego flights.
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From Ireland to San Diego
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One-way flight from Ireland to San Diego
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($145 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Ireland to San Diego

Cheapest flights from Ireland to San Diego
Explore the most affordable flight options available from Ireland to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

This lastminute.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/167:05 pmDUB - SAN
2 stops36h 48mScandinavian Airlines
Fri 5/2310:01 amSAN - DUB
2 stops46h 09mScandinavian Airlines
Deal found 4/1$621
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/111:00 pmDUB - SAN
1 stop14h 31mMultiple Airlines
Sun 5/188:32 amSAN - DUB
1 stop19h 13mMultiple Airlines
Deal found 4/1$694
This WestJet deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1111:30 amDUB - SAN
2 stops33h 50mWestJet
Sun 5/181:00 pmSAN - DUB
2 stops37h 50mWestJet
Deal found 4/1$720
This Booking.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/128:45 amDUB - SAN
1 stop17h 15mBritish Airways
Mon 5/267:50 pmSAN - DUB
1 stop15h 45mBritish Airways
Deal found 4/1$723
This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/101:20 pmDUB - SAN
1 stop30h 40mDelta
Mon 5/262:10 pmSAN - DUB
2 stops16h 50mDelta
Deal found 4/1$727
This KLM deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/25:20 pmDUB - SAN
1 stop26h 40mKLM
Sun 8/316:20 amSAN - DUB
1 stop18h 25mKLM
Deal found 4/1$729
This KLM deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/241:05 pmSNN - SAN
2 stops18h 37mMultiple Airlines
Sat 5/316:34 amSAN - SNN
1 stop20h 36mMultiple Airlines
Deal found 3/31$744
This JetBlue deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1611:30 amDUB - SAN
1 stop16h 00mJetBlue
Mon 10/2010:40 amSAN - DUB
1 stop14h 20mJetBlue
Deal found 3/31$745
This American Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/58:40 amDUB - SAN
1 stop15h 25mAmerican Airlines
Fri 1/96:10 pmSAN - DUB
1 stop14h 50mAmerican Airlines
Deal found 4/1$750
This Orbitz deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/712:40 pmDUB - SAN
1 stop17h 14mIberia
Mon 4/146:24 amSAN - DUB
1 stop16h 06mIberia
Deal found 3/31$751
This lol.travel deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/169:20 amDUB - SAN
1 stop34h 40mAir Canada
Fri 5/234:55 pmSAN - DUB
1 stop30h 50mAir Canada
Deal found 4/1$771
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/59:00 amDUB - SAN
2 stops34h 22mUnited Airlines
Fri 1/97:00 amSAN - DUB
2 stops16h 00mUnited Airlines
Deal found 4/1$776

Cheapflights Fare Finder

Customize your flight search to find flights from Ireland to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 2, 2025.
Use the filters below to find and compare flights from Ireland to San Diego that are best for you.

Fly from

Ireland

Fly to

San Diego

Route

Depart

Return

Price

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 5/16

7:05 pm-11:53 pm

2 stops36h 48m

San Diego

Fri 5/23

10:01 am-4:10 pm

2 stops46h 09m

$621

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sun 5/11

1:00 pm-7:31 pm

1 stop14h 31m

San Diego

Sun 5/18

8:32 am-11:45 am

1 stop19h 13m

$694

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sun 5/11

11:30 am-1:20 pm

2 stops33h 50m

San Diego

Sun 5/18

1:00 pm-10:50 am

2 stops37h 50m

$720

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 5/12

8:45 am-6:00 pm

1 stop17h 15m

San Diego

Mon 5/26

7:50 pm-7:35 pm

1 stop15h 45m

$723

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 5/10

1:20 pm-12:00 pm

1 stop30h 40m

San Diego

Mon 5/26

2:10 pm-3:00 pm

2 stops16h 50m

$727

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Mon 6/2

5:20 pm-12:00 pm

1 stop26h 40m

San Diego

Sun 8/31

6:20 am-8:45 am

1 stop18h 25m

$729

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Sat 5/24

1:05 pm-11:42 pm

2 stops18h 37m

San Diego

Sat 5/31

6:15 am-11:10 am

2 stops20h 55m

$744

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 5/10

9:30 am-9:44 pm

1 stop20h 14m

San Diego

Mon 5/26

6:28 am-6:30 am

1 stop16h 02m

$766

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 5/16

9:20 am-12:00 pm

1 stop34h 40m

San Diego

Fri 5/23

4:55 pm-7:45 am

1 stop30h 50m

$771

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Fri 5/16

9:20 am-10:09 pm

1 stop20h 49m

San Diego

Fri 5/23

4:55 pm-7:45 am

1 stop30h 50m

$803

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 29 results
1
2
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Best time to book a flight from Ireland to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Ireland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ireland to San Diego

What is the cheapest month to book a flight from Ireland to San Diego?

Currently, August is the cheapest month in which you can book a flight from Ireland to San Diego (average of $286). Flying from Ireland to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated April 2, 2025.
To help decide which airline to fly from Ireland to San Diego, see what other customers have to say about Delta, KLM and Finnair. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,427 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,615 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Ireland to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Diego from Ireland?

    For a flight from Ireland to San Diego, you will be flying into San Diego. San Diego (SAN) is just 2.6 mi from the center of the city.

  • What are the cheapest airlines to fly from Ireland to San Diego one-way?

    The cheapest airlines for a one-way flight from Ireland to San Diego are WestJet ($275), JetBlue ($553), and Aer Lingus ($564).

  • What are the most popular routes from Ireland to San Diego?

    The most popular route from Ireland to San Diego is Dublin - San Diego. You may also consider Shannon - San Diego or Cork - San Diego.

  • Can I find deals for flights from Ireland to San Diego that include hotel bookings?

    Yes. In addition to deals on Ireland to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ireland to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to San Diego.

  • Can I find deals for business class flights from Ireland to San Diego?

    Yes. Cheapflights offers flight deals from Ireland to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ireland to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Ireland to San Diego (average of $286). Flying from Ireland to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Ireland?

Book flights to Ireland if you plan to visit one of these locations
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado
Borrego Springs

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Alternative routes for Ireland to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Ireland to San Diego

Discover the top 3 airlines that operate flights from Ireland to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$692Average$808FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$726Average$789FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$808Average$841FlexibilityNo cancel feeOn-time71%

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